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How IOS Stacks Up Among Alternative Real Estate Investments
YardDogs -
Industrial Outdoor Storage (IOS) is gaining momentum, but how does it stack up against other niche real estate sectors like self-storage, student housing, single-family rentals (SFR), manufactured housing, and data centers?
We've broken it down across a few key metrics. Here's where IOS stands:
THOUGHT OF THE WEEK
1. Vacancy Rates: IOS Stays Full

Source: Newmark Q3 Industrial Report
If you're after low vacancy and high demand, IOS delivers. Nationally, IOS vacancy rates hover around ~4%. Here's how it compares:
Data Centers: ~3% (AI-driven demand)
Cold Storage: ~5%
SFR: ~6-7% (Rising homeownership barriers)
Self-Storage: ~8-10% (Slight increase from pandemic lows)
Takeaway: IOS boasts one of the lowest vacancy rates in commercial real estate, reinforcing the high demand for well-located yards.
2. Location: The Toughest to Replicate
Owning IOS means holding one of the most supply-constrained assets in the market. Zoning and land-use restrictions make it nearly impossible to replicate IOS sites in major metros. Here's how other alternatives compare:
Data Centers: Cluster in tech hubs, but face power grid limitations
Manufactured Housing: Zoning restrictions keep supply low
Student Housing: Location-dependent near universities
SFR: Spread across metros, fueled by build-to-rent
Self-Storage: Ubiquitous but facing rising land costs
Takeaway: New IOS development is more difficult in major metros, meaning existing sites become more valuable over time.
3. Market Size & Growth: IOS is in Early Innings + Growing
The U.S. IOS market is valued at ~$200 billion, but it’s still in the early stages of institutionalization. Here's how the IOS market size compares to other asset classes:
Takeaway: IOS is still fragmented with tons of room for consolidation—just like self-storage and SFR before institutional money poured in.
4. Institutional Investors' Preferences: The Rise of Alternatives
Institutional investors are increasingly turning to alternative real estate sectors. Here's how this is shaping up:

Source: Clarion Partners
Alternative Investments Growth: 31% of the institutional-quality CRE universe
Residential Alternatives: Sectors like SFR, student housing, and manufactured housing are valued at $2 trillion, or 17% of the institutional universe.
Takeaway: The shift toward alternative real estate investments is clear, and IOS is increasingly seen as a prime target for institutional capital – since most of the current institutional funds are with SFR, manufactured housing, and student housing.
FINAL THOUGHTS
The IOS Edge
IOS stands out due to record-low vacancy rates, resilient tenants, and locations. While sectors like student housing, self-storage, and SFR have their strengths, IOS is still in the early innings of institutional investment—meaning there's plenty of room for growth before cap rate compression kicks in.
REC
What Inning Are We in for IOS Investment?
Check out a recent post from the BizNow IOS State of the Market where we discuss “What Inning Are We in for IOS Institutional Investment?”
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Disclaimer: The authors of IOS Yard Dogs are not finance or tax experts. We love big yards, small buildings. This email is for educational uses and is not financial / investment advice. Please conduct independent research and consult with industry professionals before making financial or investment decisions. Our content, which may contain affiliate links, is subjective and not to be used as the only basis for such decisions. We are not responsible for any losses from relying on this information.